This system can send, receive, and play the charged digitalized electronic newspapers with choice under the condition of not changing the existing AM/ FM broadcasting transmitters and radio sets. 可在完全不改变现有AM/FM频段广播发射机和收音机的情况下,播发和有选择、有偿地收看数字化的电子报纸。
Estimation of TDOA for Locating Noise-Frequency Modulation Jammer in Passive System FM/ AM Noise Test Set for a Pulsed Radar 对噪声调频干扰源的站间到达时差测量用于脉冲多普勒雷达的调频/调幅噪声测试设备
FM/ AM stereo cassette receiver portable cassette type FM-AM recorder-receiver 调频调幅立体声收录音机便携式盒式调频调幅收录机
It has manual transmission, plenty of trunk space and an AM/ FM stereo cassette player. 它有用手操作的传动系统,充裕的行李箱空间和调幅/调频的立体音响式收录音机。
FM/ AM Radio radio-cassette tape recorders headphone tape recorders. AM/FM收音机,卡带录音机耳机的录音机。
Analysis of Frequency transfer characteristic of AM/ FM screened image 调幅/调频网点图像的频率传递特性分析
'Zero Impedance Branch' model based on the character of PDN structure is introduced, then the ER model of PDMS AM/ FM/ GIS has been built, and the designing procedure is briefly described. 据配电网结构的特点,提出了零阻抗支路模型,在该模型的基础上,建立了配电AM/FM/GIS系统的ER模型;对属性数据库的设计进行了简要的描述。
In this paper, based on the analysis of GIS and AM/ FM/ GIS, the authors indicate their commonness and individuality, point out the shortage of AM/ FM/ GIS in particular. 本文在对GIS和AM/FM/GIS对比分析的基础上,指出了AM/FM/GIS与一般传统的GIS的共性与个性,特别指出了当前AM/FM/GIS存在的不足。
In the paper, the research stems from how to form the management with electronic map applying technology of AM/ FM/ GIS in power distribution management system ( PDMS). 如何将AM/FM/GIS技术应用于配电网,形成基于电子地图的管理,即成了本文研究工作的出发点。
On the basis of above, the functional structure of PDMS AM/ FM/ GIS divided into three parts: offline, online and assistant decision-making, is analyzed in detail. 在此基础上,详细分析了配电AM/FM/GIS系统的功能体系,即离线、在线和辅助决策三个方面;
Finally, through analysis and comparison of the AM/ FM/ GIS systems supplied by the three big companies aforementioned, some suggestions are presented to the readers for AM/ FM/ GIS system selection. 通过对以上三大公司的AM/FM/GIS系统的分析比较,为读者进行AM/FM/GIS系统选型工作提供了参考。
The main module is made of the generator of sinusoidal wave, frequency control, range control, D/ A convert and the functions such as AM, FM, ASK, PSK, FSK, etc. 其主要模块有正弦波生成、频率控制、幅度控制、D/A转换和后级处理以实现AM、FM、ASK、PSK、FSK等功能。
By studying AM/ FM/ GIS, combining the practice of street lamp trade, the necessity of building AM/ FM/ GIS is pointed in street lamp trade. 通过对AM/FM/GIS的研究,结合路灯行业实际情况,指出了路灯行业AM/FM/GIS建设的必要性。
The domain model of PDMS AM/ FM/ GIS is constructed on the basis of analysis of the domain of PDMS AM/ FM/ GIS from the object-oriented point. 对配电AM/FM/GIS系统的领域从面向对象的角度进行了分析,建立了领域模型。
The main function of GIS is embodied in the organic combination of GIS and other systems such as FM/ AM, SCADA, MIS, CIS, etc* Then GIS can provide powerful data and graphic platform for DMS. GIS的主要功能体现在与设备管理FM/自动成图AM、监视控制和数据采集SCADA系统、管理信息系统MIS、用户信息系统CIS等各个系统的有机结合,可以为DMS提供强有力的数据和图形平台。
A lot of domestic and international units have put out their own AM/ FM/ GIS software platforms and solutions one after another, in order to meet the demands of AM/ FM/ GIS's application system construction. 国内外很多单位纷纷推出了自己的AM/FM/GIS软件平台和解决方案,来满足AM/FM/GIS应用系统建设的需求。
FM/ AM Noise Test Set for a Pulsed Radar 用于脉冲多普勒雷达的调频/调幅噪声测试设备